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Patents > Year granted: 1910 - 1919 & Office : CH or DE or HU & National tech categories: CH 129b

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Inventors:
Adalbert Plaček (2) · Otto Schüle (2) · Joseph Wetterwald (2) · Dane Hurlburt‎ (2) · Carl Wilhelm Paul (2) · Carl Franz Hubert Hertel (2)
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Tech fields:
airplane (27) · stability (15) · design (14) · frame (12) · whole (11) · automatic stability (8) · subsystem (7) · propellers (6) · Construction (6) · Tragfläche (5) · heavier-than-air (5) · Wings (5) · navigation (4) · propulsion (4) · lift (4)
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Showing below up to 45 results in range #1 to #45.

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